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Buell Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » Taillight flicker « Previous Next »

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Portero72
Posted on Wednesday, November 01, 2017 - 10:04 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hey all, my new to me 08 has a spastic taillight that sometimes goes dark. All the other lights seem to work just fine, including the brake light. Any ideas where to dig? I am fairly unfamiliar with the wiring in that part of the bike.
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Natexlh1000
Posted on Wednesday, November 01, 2017 - 10:29 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I had mice move into the tail section and sampled the wiring a few times.
Pop the seat and look in there first.
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Arry
Posted on Thursday, November 02, 2017 - 12:38 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Does it happen when you turn the bars back and forth? Wires breaking, in the bundle coming across the steering head, is common.
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Portero72
Posted on Thursday, November 02, 2017 - 07:49 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

No mice that I can see evidence of. I have been under the seat many times since purchase.

It happens at idle. I noticed it last night while gearing up after the gym. Again, the blinkers and brake lights work as they should.

Does anyone know offhand which wire leads to the taillight itself?
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Tootal
Posted on Thursday, November 02, 2017 - 02:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Is the bulb socket loose on the bulb? Pull the bulb and make sure there is no corrosion in the bulb socket. Use a pencil eraser to clean any corrosion. Put a little dielectric grease on the bulb and in the socket.
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Natexlh1000
Posted on Thursday, November 02, 2017 - 04:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

XB12X have LED lights, no sockets.
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Tootal
Posted on Thursday, November 02, 2017 - 07:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Ha! Shows you I've never had any issues there!
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Mark_weiss
Posted on Thursday, November 02, 2017 - 08:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Next time it happens, try jiggling the ignition key a bit. I had to open and clean the switch part a few years ago.
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Portero72
Posted on Friday, November 03, 2017 - 09:20 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Itís the wiring. Had a few minutes to explore back there this morning and wiggle tested stuff with the key on. Flicker flicker. Gonna have to pull that area apart and dig deeper when I have time. I
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Portero72
Posted on Friday, November 03, 2017 - 07:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Before I go tearing the tailpiece to bits, are there any secrets I need to know?
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Portero72
Posted on Sunday, November 05, 2017 - 05:54 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Well, I found the culprit. Major hack job in the wiring. I figure the best option is to replace the taillight assembly itself. Problem is, I have little confidence in the male half of that plug. It is making poor contact as is. The new assembly comes with the female half. Anyone know where I can score the male side?

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Ratbuell
Posted on Sunday, November 05, 2017 - 07:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Is the cut on the chassis side of the plug, or the light side?

Just fix it correctly and shrink-wrap the joints. Not like an LED light pulls a lot of current - my guess looking at that job is, the tape that was presumably around the solder joints, wore through and the white and black wires were touching each other, shorting out the taillight (IIRC white is tail; yellow is brake; black is ground).

(Message edited by ratbuell on November 05, 2017)
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Portero72
Posted on Sunday, November 05, 2017 - 08:06 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Rat-

I wiggle tested till I was blue in the face; all the splices seem solid. The only way I was able to recreate the short was to pull on the plug itself. There is play when snapped together and the wires do not seem secure in the housing.

The replacement housing has been ordered, so I either need the black, male side of the plug or a way to secure the wires going into the original.

Also, there are splices on both sides of the plug.
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Ratbuell
Posted on Sunday, November 05, 2017 - 09:54 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Just cut the plug out and hardwire the light.

Not like the LED's will ever burn out.
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Natexlh1000
Posted on Sunday, November 05, 2017 - 10:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yeah, I'm with the rat here.
If it ever needs to be replaced, you have wire cutters.

Try to find some of that fancy shrink tubing with the glue in it. It's awesome.
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Refurb
Posted on Monday, November 06, 2017 - 02:38 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Batts Racing may have the male connector you need if you decide to get a new assembly.
http://www.deutschconnector.com/
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Portero72
Posted on Monday, November 06, 2017 - 09:23 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Rat-

Youíre a genius. I was too tired and frustrated to see the obvious simple answer.
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Ourdee
Posted on Tuesday, November 07, 2017 - 08:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Heat shrink tubing at Harbor Freight is good stuff. They also sell liquid tape. it works.
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Portero72
Posted on Thursday, November 09, 2017 - 10:49 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Got er dun.

Clipped out the plugs and all those splices and hard wired the new taillight in. Solid.

I assume a previous owner hacked into the harness to wire in some auxiliary lights. Oh well. One issue checked off the list.
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